Pishkun Dike 1 dam
Pishkun Dike 1
Pishkun Dike 1, located in Choteau, Montana, is a federal-owned earth dam designed by the Bureau of Reclamation for irrigation purposes. Completed in 1930, this impressive structure stands at a height of 50 feet with a hydraulic height of 37 feet, spanning a length of 2480 feet. With a normal storage capacity of 46,670 acre-feet and a surface area of 1550 acres, Pishkun Dike 1 plays a crucial role in water resource management in the region.
Surrounded by the scenic landscape of Teton County, Montana, Pishkun Dike 1 serves as a vital component in the Deep Creek TR watershed, providing essential water for agricultural activities. Despite being classified as having a high hazard potential, the dam is regulated and inspected by the Bureau of Reclamation to ensure its structural integrity and safety. With no spillway and a risk assessment rating of 2 (high), Pishkun Dike 1 continues to be a significant water management asset in the region, supporting the local community's irrigation needs.
As one of seven associated structures under the NIDID MT00575, Pishkun Dike 1 stands as a testament to the engineering excellence of its designers and the commitment of federal agencies to maintain and regulate critical water infrastructure. With its historical significance and ongoing role in water resource management, this earth dam represents a key feature in the landscape of Montana, contributing to the sustainable utilization of water resources in the area.
Dam data reference
Condition Assessment
- Satisfactory
- No existing or potential dam safety deficiencies are recognized. Acceptable performance is expected under all loading conditions (static, hydrologic, seismic) in accordance with the minimum applicable state or federal regulatory criteria or tolerable risk guidelines.
- Fair
- No existing dam safety deficiencies are recognized for normal operating conditions. Rare or extreme hydrologic and/or seismic events may result in a dam safety deficiency. Risk may be in the range to take further action.
- Poor
- A dam safety deficiency is recognized for normal operating conditions which may realistically occur. Remedial action is necessary. POOR may also be used when uncertainties exist as to critical analysis parameters which identify a potential dam safety deficiency.
- Unsatisfactory
- A dam safety deficiency is recognized that requires immediate or emergency remedial action for problem resolution.
- Not Rated
- The dam has not been inspected, is not under state or federal jurisdiction, or has been inspected but, for whatever reason, has not been rated.
Hazard Potential Classification
- High
- Dams assigned the high hazard potential classification are those where failure or mis-operation will probably cause loss of human life.
- Significant
- Dams assigned the significant hazard potential classification are those dams where failure or mis-operation results in no probable loss of human life but can cause economic loss, environmental damage, disruption of lifeline facilities, or impact other concerns. Significant hazard potential classification dams are often located in predominantly rural or agricultural areas but could be in areas with population and significant infrastructure.
- Low
- Dams assigned the low hazard potential classification are those where failure or mis-operation results in no probable loss of human life and low economic and/or environmental losses. Losses are principally limited to the owner's property.
- Undetermined
- Dams for which a downstream hazard potential has not been designated or is not provided.
Plan around the weather
Same NOAA / yr.no feed Snoflo's iOS app uses. Watch the precipitation column on the meteogram -- rain on the basin upstream typically lifts inflow 24-72 hours later.
Next 5 days, hour by hour
Temperature line with weather symbols on top, snow + rain accumulation as columns, humidity as a dotted line.
5-day forecast table
Every 3 hours, broken out across temperature, snow, rain, humidity, and wind. Each cell is colour-coded relative to the column min/max.
| Time | Condition | Temp (°F) | Snow (in) | Rain (in) | Humidity (%) | Wind (mps) | Wind dir |
|---|---|---|---|---|---|---|---|
| Loading detailed forecast… | |||||||
15-day temperature & precipitation
Daily temperatures, snow, and rain projected over the next two weeks.
Nearby streamflow gauges
USGS streamgauges around Pishkun Dike 1 -- inflows here typically show up in storage 24-72 hours later.
| Streamgauge | Discharge | View |
|---|---|---|
| Sun River Bl Willow Cr Nr Augusta Mt | 1,130 cfs | → |
| Sun River Bl Diversion Dam Nr Augusta Mt | 1,190 cfs | → |
| Teton River Bl South Fork Nr Choteau Mt | 191 cfs | → |
| North Fork Sun River Near Augusta Mt | 610 cfs | → |
| South Fork Sun River Near Augusta Mt | 674 cfs | → |
| Sun River At Simms Mt | 1,030 cfs | → |
Make a day of it
Boat launches, lakeside camping, fishing access, and other reservoirs near Pishkun Dike 1.
Boat launches
Campgrounds
- Pishkun Reservoir Fas
- Willow Creek Fas
- Home Gulch Campground
- Home Gulch
- Nilan Reservoir Fas
- Mortimer Gulch Campground
Fishing spots
- Sun River Slope Canal
- Davis Lake
- Dry Creek-Krezelok Reservoir
- Duck Creek
- Big Salmon Creek
- Big Salmon Lake
Paddle runs
- Wilderness Boundary To South Fork Sun River, Sec. 26, T22n, R10w
- Headwaters, Sec. 4, T18n, R10w To North Fork Sun River, Sec. 26, T22n, R10w
- Fool Creek, Sec. 24, T25n, R11w To Wilderness Boundary
- Headwaters, Sec. 15, T18n, R10w To Straight Creek, Sec. 25, T19n, R10w
- Headwaters, Sec. 13, T18n, R10w To Forest Boundary, Sec. 6, T17n, R7w
- Dobrota Headwaters, Sec. 23, T18n, R10w To Mainstem, Sec. 31, T18n, R9w
Track Pishkun Dike 1 in the Snoflo app
Save this dam as a favorite and get the local NOAA / yr.no forecast plus regional flow context wherever you are.
About Pishkun Dike 1
Where does the data for Pishkun Dike 1 come from?
Structural and regulatory data come from the U.S. Army Corps of Engineers' National Inventory of Dams (NID). Weather forecast comes from NOAA / yr.no -- the same feed Snoflo's iOS app uses.
How often is the report updated?
NID structural data refreshes annually as the Corps publishes updated assessments. The weather forecast refreshes throughout the day.
What does the High hazard rating mean?
The Corps of Engineers' hazard potential classification grades probable consequences if the dam fails: High = probable loss of human life; Significant = no probable loss of human life but possible economic loss / environmental damage; Low = no probable loss of human life, only minor economic / environmental losses. See the Dam Data Reference card above for the full definitions.
What's "% of normal"?
The current storage value compared to the historical average storage on this calendar day. 100% = right on average; values above 100% mean above-normal storage (wet year); values below mean below-normal (dry year or drought).
Can I get alerts when storage crosses a threshold?
Yes -- alerts are managed in the Snoflo iOS app. Favorite this dam, set a threshold, and you'll get a push the moment conditions cross.
Other water bodies near here
Snoflo-tracked reservoirs and dams within driving distance of Pishkun Dike 1.